drivers/spi: Adding async mode to SAM and SAM0 drivers

This mode was missing for some reason. Signed-off-by: Tomasz Bursztyka <[email protected]>
k0d · Nov 16, 2018 · eae05d9 · eae05d9
1 parent 2719589
commit eae05d9
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Showing 2 changed files with 32 additions and 4 deletions.
diff --git a/drivers/spi/spi_sam.c b/drivers/spi/spi_sam.c
@@ -395,14 +395,28 @@ static int spi_sam_transceive(struct device *dev,
 	return err;
 }
 
+static int spi_sam0_transceive_sync(struct device *dev,
+				    const struct spi_config *config,
+				    const struct spi_buf_set *tx_bufs,
+				    const struct spi_buf_set *rx_bufs)
+{
+	struct spi_sam0_data *data = dev->driver_data;
+
+	spi_context_lock(&data->ctx, false, NULL);
+	return spi_sam0_transceive(dev, config, tx_bufs, rx_bufs);
+}
+
 #ifdef CONFIG_SPI_ASYNC
 static int spi_sam_transceive_async(struct device *dev,
 				     const struct spi_config *config,
 				     const struct spi_buf_set *tx_bufs,
 				     const struct spi_buf_set *rx_bufs,
 				     struct k_poll_signal *async)
 {
-	return -ENOTSUP;
+	struct spi_sam0_data *data = dev->driver_data;
+
+	spi_context_lock(&data->ctx, true, async);
+	return spi_sam0_transceive(dev, config, tx_bufs, rx_bufs);
 }
 #endif /* CONFIG_SPI_ASYNC */
 
@@ -441,7 +455,7 @@ static int spi_sam_init(struct device *dev)
 }
 
 static const struct spi_driver_api spi_sam_driver_api = {
-	.transceive = spi_sam_transceive,
+	.transceive = spi_sam_transceive_sync,
 #ifdef CONFIG_SPI_ASYNC
 	.transceive_async = spi_sam_transceive_async,
 #endif

diff --git a/drivers/spi/spi_sam0.c b/drivers/spi/spi_sam0.c
@@ -403,14 +403,28 @@ static int spi_sam0_transceive(struct device *dev,
 	return err;
 }
 
+static int spi_sam0_transceive_sync(struct device *dev,
+				    const struct spi_config *config,
+				    const struct spi_buf_set *tx_bufs,
+				    const struct spi_buf_set *rx_bufs)
+{
+	struct spi_sam0_data *data = dev->driver_data;
+
+	spi_context_lock(&data->ctx, false, NULL);
+	return spi_sam0_transceive(dev, config, tx_bufs, rx_bufs);
+}
+
 #ifdef CONFIG_SPI_ASYNC
 static int spi_sam0_transceive_async(struct device *dev,
 				     const struct spi_config *config,
 				     const struct spi_buf_set *tx_bufs,
 				     const struct spi_buf_set *rx_bufs,
 				     struct k_poll_signal *async)
 {
-	return -ENOTSUP;
+	struct spi_sam0_data *data = dev->driver_data;
+
+	spi_context_lock(&data->ctx, true, async);
+	return spi_sam0_transceive(dev, config, tx_bufs, rx_bufs);
 }
 #endif /* CONFIG_SPI_ASYNC */
 
@@ -451,7 +465,7 @@ static int spi_sam0_init(struct device *dev)
 }
 
 static const struct spi_driver_api spi_sam0_driver_api = {
-	.transceive = spi_sam0_transceive,
+	.transceive = spi_sam0_transceive_sync,
 #ifdef CONFIG_SPI_ASYNC
 	.transceive_async = spi_sam0_transceive_async,
 #endif